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Respiratory System

SCIENCE CROSSWORD ASSIGNMENT: ABRAM DEITER
Horizontales
The body system that controls breathing by inhaling oxygen and exhaling carbon dioxide
A sheet of muscle that allows the lungs to take in and release air
The invisible, odorless gas that makes up part of the air humans must breathe to live
Verticales
Two spongy organs that bring oxygen to the blood and remove carbon dioxide from the blood
A clear gas that is given off as a waste product during breathing
The windpipe through which air travels in and out of the lungs